onclose property
EventHandlerNonNull<Event> ?
get
onclose
Implementation
EventHandlerNonNull? get onclose => js_util.getProperty(this, 'onclose');
set
onclose
(EventHandlerNonNull<Event> ? newValue)
Implementation
set onclose(EventHandlerNonNull? newValue) {
js_util.setProperty(this, 'onclose', newValue);
}